Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 3 31.  Predictions up to the next  14.0 days:

     Date     Time(AURA) AURA Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/01/2021   19:57:59   (  79.58, 137.75) 04/01/2021   19:57:50  (  79.58, 137.89)    2.92                 9
 04/01/2021   20:47:23   ( -79.69, -53.76) 04/01/2021   20:48:32  ( -79.69, -53.89)    2.60                69
 04/04/2021   11:25:09   ( -79.31,  84.16) 04/04/2021   11:24:08  ( -79.30,  84.10)    1.27                61
 04/04/2021   12:14:29   (  79.53,-106.70) 04/04/2021   12:14:46  (  79.52,-106.84)    3.07                17
 04/07/2021   03:41:35   ( -79.41,-159.28) 04/07/2021   03:40:59  ( -79.41,-159.30)    0.42                36
 04/07/2021   04:30:55   (  79.63,   9.88) 04/07/2021   04:31:37  (  79.62,   9.78)    2.11                42
 04/09/2021   19:58:00   ( -79.51, -42.74) 04/09/2021   19:57:49  ( -79.51, -42.69)    0.99                11
 04/09/2021   20:47:20   (  79.72, 126.43) 04/09/2021   20:48:27  (  79.72, 126.40)    0.63                67
 04/12/2021   11:25:05   (  79.35, -95.54) 04/12/2021   11:24:02  (  79.36, -95.44)    2.17                63